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有小瓶的化学家
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菜,化验,皮特里。 Dish, assay, petrie.
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None panoramic shot of scientist in latex gloves holding syringe near test tubes
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化学家
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纯银币。银币化验标记 925 的边缘。 Sterling silver coin. Edge of a silver coin assay mark 925.
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有烧瓶的医生手
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铸造金条重50克999.9,成色有证。带有化验证书的金锭。选择性焦点。 Minted gold bar weighing 50 grams 999.9, fineness with certificate. Gold ingot with assay certificate. Selective focus.
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化学实验室科学研究期间,戴防护面罩和手套的秃头男科学家在小瓶中观察血样
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食品质量实验室助理。测试转基因种子的细胞培养试验 Laboratory assistant in the of food quality.Cell culture assay to test genetically modified seed
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一对好科学家夫妇坐在显微镜前研究细菌
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None Scientist works with scientific or medical samples in the lab
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科学家在实验室用放大镜检查药丸,特写
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None Genetically modified microorganisms
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None Histology test lab in hospital. Hands in gloves, tech loads slide glasses with patient biopsy sections. High throughput automatic staining machine. Anatomic pathology, histopathology and cytopathology
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None Laboratory assistant in the laboratory of of food quality.
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科学家将样品滴到实验室的载玻片上,专注于手。医学研究
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None Scientist holding a 96 well plate with samples for biological analysis / Researcher pipetting samples of liquids in microplate for biomedical research.
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检查血液样本的生物学家
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None vials with different substances over euros, concept of copayment
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None Core Drill Rig for Exploration - Pilbara - Australia
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None Minted silver bar weighing one troy ounce and magnifier are isolated on the white background.
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在实验室进行样品研究的集中科学家
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None cheque cube with letters, sign with wooden cubes
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学习医学的年轻医生
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None Micro centrifuge tube
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科学家在实验室开发 covid-19 疫苗
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None Tests For Research Of botulism
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None Geological engineer boring and drilling into earth looking for an assay for seismic testing. Geo technical study.
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科学家在实验室开发 covid-19 疫苗
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None Gold Mineralized Quartz Vein in Drilled Core Rock
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科学家在实验室开发 covid-19 疫苗
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None Scientist preparing paraffin blocks containing biopsy tissue for sectioning. Pathology laboratory. Cancer diagnosis.
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医生手持化学试管的特写
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None Micro centrifuge tube
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None Laboratory assistant in the of food quality.Cell culture assay to test genetically modified seed
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身着制服、防护面罩、手套和眼镜的男性实验室工作人员在使用显微镜时在纸上做笔记
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None In vitro assay
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非裔美国医生或实验室工作人员在诊所检查血样
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实验室玻璃化学管、医学概念背景 Glass chemical tubes in laboratory, medicine concept background
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None cobalt stone, ore used in It is used for the production of super alloys, alloys and tools. Ore from Congo.
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科学家在实验室开发 covid-19 疫苗
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None Minted bar of palladium weighing 10 grams sealed in tamper-proof packaging. Palladium ingot in blister package.
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None zika virus test
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生物学家医生拿着透明试管,带血样分析 dna 专业知识
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None Test tubes in a biology laboratory
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护士从病人身上采集真血样本(抽血医生)进行分析(选择性焦点)
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None closeup of a 96 multiwell plate in a biology laboratory
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女研究员被医疗小瓶和烧瓶包围,与白色背景隔离
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None
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科学家在实验室开发 covid-19 疫苗
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科学家在实验室开发 covid-19 疫苗
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化学家科学家手里拿着玻璃试管
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科学家在药物研究实验室通过显微镜观察冠状病毒疫苗的开发。
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男子 亚洲 外观 实验室 疫苗 灰色 背景
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科学家在药物研究实验室通过显微镜观察冠状病毒疫苗的开发。
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做实验的两位俏丽的科学家
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有色液体的科学家人
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科学家在实验室处理样品
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美丽的医生女人拿着牙齿美白工具。
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医生手持注射器和瓶子进行疫苗接种。预防冠状病毒的疫苗
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实验室有 covid-19 样本的科学家
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男科学家做实验结果
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在诊所工作的年轻男医生
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医生手持注射器和瓶子进行疫苗接种。预防冠状病毒的疫苗
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医生为她在办公室的同事做 covid-19 PCR 测试。
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在他的办公室工作时的医生。在检查了测试样品后,他将试管放入支架中。
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身着防护服和护目镜的科学家拿着疫苗瓶和放大镜,看着和研究。流行病学病毒测试。药物研究、临床试验。实验室的生物技术化学家。
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实验室工作人员在黑色背景上拿着带血样的试管
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在验血取样过程中的年轻患者
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使用医疗设备的科学家
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兽医在实验室做化学测试
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男性科学家与化学品一起使用
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科学家在实验室开发 covid-19 疫苗
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科学家在实验室开发 covid-19 疫苗
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实验室有 covid-19 样本的科学家
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检查血液样本的女科学家
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用于 covid-19 测试研究的男性实验室助理防护服血液
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检查男性患者的印度医生
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特写。科学家在实验室使用显微镜。
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男性化验员测试药物开发研究科学特写
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科学家在药物研究实验室通过显微镜观察冠状病毒疫苗的开发。
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科学家在实验室开发 covid-19 疫苗
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科学家在实验室处理样品,专注于手头。医学研究
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医生在诊所医院获取唾液测试样本
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科学家在实验室做研究
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科学家在实验室处理样品
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科学家在实验室开发 covid-19 疫苗
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科学家在试管上进行观察
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戴防护面罩和手套的成年秃头男性临床医生在显微镜下研究新疫苗,以对抗女助理打电话
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在他的办公室工作时的医生。他负责描述试管中的血样。免疫学领域的研究。
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科学家在药物研究实验室通过显微镜观察冠状病毒疫苗的开发。
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科学家在药物研究实验室通过显微镜观察冠状病毒疫苗的开发。
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科学家在实验室使用显微镜,特写。医学研究
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科学家在实验室通过显微镜观察
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医生拿着装有 COVID-19 血样的小瓶
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男性患者就诊医生进行注射接种
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非裔美国医生或实验室工作人员在诊所检查血样
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专业的科学家团队正在现代科学研究实验室研制疫苗。基因工程师工作场所。未来的技术和科学。
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实验室有 covid-19 样本的科学家
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非裔美国医生或实验室工作人员在诊所检查血样
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口腔科医生在牙科诊所对着镜头微笑的肖像
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有分析容器的年轻医生
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戴着医用口罩和护目镜的疲惫科学家在实验室偏头痛
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测试血液样本的年轻男性生化学家
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工作在实验室的技术员
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在实验室工作的科学家,专注于药丸
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在实验室工作的体贴的科学家
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医生在诊所医院获取唾液测试样本